oski | 3009ae481472637a3e35d4448ed5c5c24ad823c0caf60ecc99e717757aef8eff

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-04-2024 06:04

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General

Target

ef497db08eb237cbba60985baf68db24_JaffaCakes118.ps1
Size

485KB
MD5

ef497db08eb237cbba60985baf68db24
SHA1

05bb3dd0e475d6a88aad4cc6d1b1c83d88df02bf
SHA256

3009ae481472637a3e35d4448ed5c5c24ad823c0caf60ecc99e717757aef8eff
SHA512

8702c2d2a09161d10b49d1ffd36130b6fff1b88062d1e12ec889a3d07d3fb0d4d123e69069ebcfebf8b1623b8003ed1c173db1d1e11e643171df834f88b3dfc4
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64gigu:q3hu

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l15/

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 520	1680	powershell.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1868	520	WerFault.exe	87

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe
1680	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2928	1680	powershell.exe	86
PID 1680 wrote to memory of 2928	1680	powershell.exe	86
PID 1680 wrote to memory of 2928	1680	powershell.exe	86
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87
PID 1680 wrote to memory of 520	1680	powershell.exe	87

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ef497db08eb237cbba60985baf68db24_JaffaCakes118.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:2928
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 1240
    3⤵
    - Program crash
    PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 520 -ip 520
1⤵
PID:1952

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xibdpzmi.ohw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/520-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/520-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/520-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/520-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/520-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/520-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1680-6-0x00007FF8C1DA0000-0x00007FF8C2861000-memory.dmp

Filesize
10.8MB

Download
memory/1680-11-0x000001B809AF0000-0x000001B809B00000-memory.dmp

Filesize
64KB

Download
memory/1680-12-0x000001B809AF0000-0x000001B809B00000-memory.dmp

Filesize
64KB

Download
memory/1680-13-0x000001B824280000-0x000001B824292000-memory.dmp

Filesize
72KB

Download
memory/1680-18-0x00007FF8C1DA0000-0x00007FF8C2861000-memory.dmp

Filesize
10.8MB

Download
memory/1680-0-0x000001B824230000-0x000001B824252000-memory.dmp

Filesize
136KB

Download